Move non-RegEx lexer hacks from Scanner to Parser.

[cycript.git] / Library.cpp

diff --git a/Library.cpp b/Library.cpp
index f5eb1c36643e41afa19d059f450c9b3acf6507a5..720322564e1fb181f6ac78407f6116164ffb8c8e 100644 (file)
--- a/Library.cpp
+++ b/Library.cpp
@@ -172,6 +172,13 @@ void CYStringify(std::ostringstream &str, const char *data, size_t size) {
 }
 
 void CYNumerify(std::ostringstream &str, double value) {
+    if (std::isinf(value)) {
+        if (value < 0)
+            str << '-';
+        str << "Infinity";
+        return;
+    }
+
     char string[32];
     // XXX: I want this to print 1e3 rather than 1000
     sprintf(string, "%.17g", value);
@@ -213,6 +220,10 @@ double CYCastDouble(const char *value) {
     return CYCastDouble(value, strlen(value));
 }
 
+_visible bool CYStartsWith(const CYUTF8String &haystack, const CYUTF8String &needle) {
+    return haystack.size >= needle.size && strncmp(haystack.data, needle.data, needle.size) == 0;
+}
+
 CYUTF8String CYPoolCode(CYPool &pool, std::istream &stream) {
     CYLocalPool local;
     CYDriver driver(local, stream);